<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>

</head>
<body>
    <div class="word1-word2"></div>

    <script>

        // 驼峰式命名
        // wordWordWordWord
        var inputValue = prompt('请输入');
        var type = typeof inputValue;

        alert(type);

    </script>
</body>
</html>